math

Go down

math

Post by will1994 on Wed Dec 15, 2010 5:56 pm

we know that 2sinxcosx=sin2x

Show that....

2sinx(cosx + cos3x) = sin4x


gogogo.
avatar
will1994
Lord

Posts : 89
Join date : 2010-12-13

View user profile

Back to top Go down

Back to top

- Similar topics

 
Permissions in this forum:
You cannot reply to topics in this forum